Documentations

Development conditions of French pig farms. A study of 611 projects between 1997 and 2001

This work is part of a broader study that is aimed at evaluating the consequences of European environment laws on the dynamics of pig production in France, Spain, Denmark and…

Typology of the French pig herds with the lowest production costs

In France, there is a large disparity between the costs of pig production. In 2000, using the financial managementmethod called “Tableau de Bord" an analysis of the 20 % of…

A classification of French pig farms : methodology, analysis and first results

The global aim of this study is to create a classification of the existing pig production systems. Based on the Agricultural Census of 2000 (RA 2000), the classification of the…

Effect of floor type (slatted/partly slatted) and pen size on the welfare of growing/finishing pigs

The aim of the study was to compare the incidence of floor type : partly slatted floor (PSF) vs. fully slatted floor (FSF), on several welfare criteria in two experiments.In…

Effect of meal frequency on performance and behavior of individually- or group-housed gestating sows

The effect of splitting daily feed allowance in 1, 2 or 3 meals from the 11th to the 107th day of gestation was studied in individually- (two batches of 24…

Utilisation of white and blue lupins in weaned piglet diets

A series of experiments were conducted in order to define the maximum level of inclusion of white and blue lupins in weaned piglet diets. A total of 1032 weaned piglets…

Effects of processing whole soybeans in phase 2 diets of weaned piglets

The effects on piglets performances of diets containing soybeans that had been processed with roasting (Tostd), roasting followed by steam-flaking (To+), extrusion (Ext) were tested for 12 lots provided by…

Incidence of feed steam-heating process on performance level of piglets after weaning

Heating process applied to piglet feeds is assessed to prevent or limit chronic diarrhoea of piglets after weaning, but its incidence on performance level remains unknown.A trial involving 725 piglets…

The importance of inorganic phosphates in nursery pig feed

Three feeds were used in this study. In two of them part of the phosphorus was supplied by inorganic feed phosphates.Microbial phytase was included in the third feed. 360 pigs,…

Dewatering aerobic pig slurry in reed-planted drying bed

The reed-planted drying bed is a phosphorus separation and concentration process which has been tested with aerobic slurry. Two prototypes of 6.6 m2 received 76 835 liters of aerobic slurry…

Influence of the use of partially slatted floors and pen size on air quality during the growingfattening period

Three rooms were compared : a control room, with a totally slatted concrete floor (six pens of ten pigs), a second room, with a partially slatted concrete floor (six pens…

Long-life vacuum packing of pork

All the batches of a series of vacuum-packed pork cuts stored for six to eight weeks were found bacteriologically compliant. However, eight weeks storage is the upper limit for commercial…